8151381608 has 16 divisors (see below), whose sum is σ = 15948355680. Its totient is φ = 3898486768.

The previous prime is 8151381593. The next prime is 8151381613. The reversal of 8151381608 is 8061831518.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22150310 + ... + 22150677.

It is an arithmetic number, because the mean of its divisors is an integer number (996772230).

Almost surely, 2^8151381608 is an apocalyptic number.

It is an amenable number.

8151381608 is a deficient number, since it is larger than the sum of its proper divisors (7796974072).

8151381608 is a wasteful number, since it uses less digits than its factorization.

8151381608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44301016 (or 44301012 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 8151381608 is about 90285.0021210611. The cubic root of 8151381608 is about 2012.5363892858.

The spelling of 8151381608 in words is "eight billion, one hundred fifty-one million, three hundred eighty-one thousand, six hundred eight".